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-rw-r--r--railties/CHANGELOG.md2
-rw-r--r--railties/lib/rails/mailers_controller.rb10
-rw-r--r--railties/lib/rails/templates/rails/mailers/email.html.erb13
-rw-r--r--railties/test/application/mailer_previews_test.rb26
-rw-r--r--railties/test/generators/named_base_test.rb23
5 files changed, 57 insertions, 17 deletions
diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index 43eee9f442..fb3953f866 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -77,7 +77,7 @@
*Andrew White*
-* Don't remove all line endings from routes.rb when revoking scaffold.
+* Don't remove all line endings from `config/routes.rb` when revoking scaffold.
Fixes #15913.
diff --git a/railties/lib/rails/mailers_controller.rb b/railties/lib/rails/mailers_controller.rb
index 32740d66da..cd1c097eb6 100644
--- a/railties/lib/rails/mailers_controller.rb
+++ b/railties/lib/rails/mailers_controller.rb
@@ -16,10 +16,10 @@ class Rails::MailersController < Rails::ApplicationController # :nodoc:
@page_title = "Mailer Previews for #{@preview.preview_name}"
render action: 'mailer'
else
- email = File.basename(params[:path])
+ @email_action = File.basename(params[:path])
- if @preview.email_exists?(email)
- @email = @preview.call(email)
+ if @preview.email_exists?(@email_action)
+ @email = @preview.call(@email_action)
if params[:part]
part_type = Mime::Type.lookup(params[:part])
@@ -28,14 +28,14 @@ class Rails::MailersController < Rails::ApplicationController # :nodoc:
response.content_type = part_type
render text: part.respond_to?(:decoded) ? part.decoded : part
else
- raise AbstractController::ActionNotFound, "Email part '#{part_type}' not found in #{@preview.name}##{email}"
+ raise AbstractController::ActionNotFound, "Email part '#{part_type}' not found in #{@preview.name}##{@email_action}"
end
else
@part = find_preferred_part(request.format, Mime::HTML, Mime::TEXT)
render action: 'email', layout: false, formats: %w[html]
end
else
- raise AbstractController::ActionNotFound, "Email '#{email}' not found in #{@preview.name}"
+ raise AbstractController::ActionNotFound, "Email '#{@email_action}' not found in #{@preview.name}"
end
end
end
diff --git a/railties/lib/rails/templates/rails/mailers/email.html.erb b/railties/lib/rails/templates/rails/mailers/email.html.erb
index 0b08a01896..afca6368d5 100644
--- a/railties/lib/rails/templates/rails/mailers/email.html.erb
+++ b/railties/lib/rails/templates/rails/mailers/email.html.erb
@@ -39,6 +39,10 @@
padding: 1px;
}
+ dd:empty:before {
+ content: "\00a0"; // &nbsp;
+ }
+
iframe {
border: 0;
width: 100%;
@@ -99,7 +103,14 @@
</dl>
</header>
-<iframe seamless name="messageBody" src="?part=<%= Rack::Utils.escape(@part.mime_type) %>"></iframe>
+<% if @part.mime_type %>
+ <iframe seamless name="messageBody" src="?part=<%= Rack::Utils.escape(@part.mime_type) %>"></iframe>
+<% else %>
+ <p>
+ You are trying to preview an email that does not have any content.
+ This is probably because the <em>mail</em> method has not been called in <em><%= @preview.preview_name %>#<%= @email_action %></em>.
+ </p>
+<% end %>
</body>
</html>
diff --git a/railties/test/application/mailer_previews_test.rb b/railties/test/application/mailer_previews_test.rb
index 1752a9f3c6..83501a7f11 100644
--- a/railties/test/application/mailer_previews_test.rb
+++ b/railties/test/application/mailer_previews_test.rb
@@ -327,6 +327,32 @@ module ApplicationTests
assert_match "Email &#39;bar&#39; not found in NotifierPreview", last_response.body
end
+ test "mailer preview NullMail" do
+ mailer 'notifier', <<-RUBY
+ class Notifier < ActionMailer::Base
+ default from: "from@example.com"
+
+ def foo
+ # does not call +mail+
+ end
+ end
+ RUBY
+
+ mailer_preview 'notifier', <<-RUBY
+ class NotifierPreview < ActionMailer::Preview
+ def foo
+ Notifier.foo
+ end
+ end
+ RUBY
+
+ app('development')
+
+ get "/rails/mailers/notifier/foo"
+ assert_match "You are trying to preview an email that does not have any content.", last_response.body
+ assert_match "notifier#foo", last_response.body
+ end
+
test "mailer preview email part not found" do
mailer 'notifier', <<-RUBY
class Notifier < ActionMailer::Base
diff --git a/railties/test/generators/named_base_test.rb b/railties/test/generators/named_base_test.rb
index 18a26fde05..1c32fc1bfd 100644
--- a/railties/test/generators/named_base_test.rb
+++ b/railties/test/generators/named_base_test.rb
@@ -1,6 +1,6 @@
require 'generators/generators_test_helper'
require 'rails/generators/rails/scaffold_controller/scaffold_controller_generator'
-require 'mocha/setup' # FIXME: stop using mocha
+require 'minitest/mock'
class NamedBaseTest < Rails::Generators::TestCase
include GeneratorsTestHelper
@@ -80,10 +80,13 @@ class NamedBaseTest < Rails::Generators::TestCase
def test_application_name
g = generator ['Admin::Foo']
- Rails.stubs(:application).returns(Object.new)
- assert_name g, "object", :application_name
- Rails.stubs(:application).returns(nil)
- assert_name g, "application", :application_name
+ Rails.stub(:application, Object.new) do
+ assert_name g, "object", :application_name
+ end
+
+ Rails.stub(:application, nil) do
+ assert_name g, "application", :application_name
+ end
end
def test_index_helper
@@ -103,11 +106,11 @@ class NamedBaseTest < Rails::Generators::TestCase
def test_hide_namespace
g = generator ['Hidden']
- g.class.stubs(:namespace).returns('hidden')
-
- assert !Rails::Generators.hidden_namespaces.include?('hidden')
- g.class.hide!
- assert Rails::Generators.hidden_namespaces.include?('hidden')
+ g.class.stub(:namespace, 'hidden') do
+ assert !Rails::Generators.hidden_namespaces.include?('hidden')
+ g.class.hide!
+ assert Rails::Generators.hidden_namespaces.include?('hidden')
+ end
end
def test_scaffold_plural_names_with_model_name_option